Dishwasher, in particular domestic dishwasher

Abstract

A dishwasher, in particular a household dishwasher, includes: a washing container having a washing compartment and which receives washing items to be cleaned; and a heat pump device which has an evaporator which is arranged within a tank filled with water. The tank is fluidically connected to the washing container and to a fresh water inlet device. The tank is arranged below the washing container and has a top wall facing a washing container bottom.

1 : A dishwasher, in particular a household dishwasher, comprising:
 a washing container comprising a washing compartment and which is configured to receive washing items to be cleaned; and   a heat pump device which has an evaporator which is arranged within a tank filled with water,   wherein the tank is fluidically connected to the washing container and to a fresh water inlet device, and   wherein the tank is arranged below the washing container and has a top wall facing a washing container bottom.   
     
     
         2 : The dishwasher according to  claim 1 , wherein the top wall is oblique and/or runs substantially parallel to the washing container bottom at least in some of its sections. 
     
     
         3 : The dishwasher according to  claim 1 , wherein the tank is arranged below the washing container except for a gap between the top wall and the washing container bottom, and
 wherein a distance between the top wall and the washing container bottom is between 3 mm and 30 mm.   
     
     
         4 : The dishwasher according to  claim 1 , wherein the tank has a first compartment and a second compartment, and
 wherein the first compartment provides a nominal volume and the second compartment provides a filling volume.   
     
     
         5 : The dishwasher according to  claim 4 , further comprising a storage tank fluidically connected to the tank, wherein the storage tank provides a storage volume, which storage volume is equal to or in line with the filling volume. 
     
     
         6 : The dishwasher according to  claim 5 , wherein the tank is fluidically connected to the fresh water inlet device with fluidic interposition of the storage container. 
     
     
         7 : The dishwasher according to  claim 5 , wherein the storage container is at least partially laterally adjacent to the washing container. 
     
     
         8 : The dishwasher according to  claim 5 , wherein the tank and the storage container are formed in one piece. 
     
     
         9 : The dishwasher according to  claim 5 , wherein the tank and/or the storage container are connected to a vent and/or an overflow. 
     
     
         10 : The dishwasher according to  claim 1 , wherein a tank ventilation is formed at a highest point in a height direction of a particularly inclined top wall of the tank. 
     
     
         11 : The dishwasher according to  claim 1 , further comprising a pump and/or a discharge valve integrated into a fluid connection between the washing container and the tank, and/or
 wherein the fluid connection between the washing container and the tank comprises a siphon.   
     
     
         12 : The dishwasher according to  claim 1 , wherein the tank has a base plate and a hood carried by it and providing the ceiling wall. 
     
     
         13 : A method for operating the dishwasher according to  claim 1 , comprising:
 supplying water located in the tank above the nominal volume to the washing container; and   after completion of operation of the heat pump device, supplying the tank with an amount of water corresponding to the filling volume.   
     
     
         14 : The method according to  claim 13 , further comprising:
 forming an air cushion between a surface of the water in the tank and an inside surface of the top wall of the tank at the start of a washing program,   and/or   displacing an air cushion located between a surface of the water in the tank and an inner surface of the top wall of the tank as a result of the water supply after an operation of the heat pump device has ended.   
     
     
         15 : The method according to  claim 13 , further comprising:
 using a storage volume provided by the storage container as a compensating volume for the tank.   
     
     
         16 : The dishwasher according to  claim 5 , wherein storage tank which is arranged above the tank. 
     
     
         17 : The dishwasher according to  claim 12 , wherein the tank has an annular wall received by the hood and surrounding the nominal volume. 
     
     
         18 : The method according to  claim 15 , wherein the storage container temporarily stores at least some of the water to be supplied to the tank.